18479100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 55218688

約数和(自身を除く): 36739588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 1987, 2325, 3100, 3974, 4650, 5961, 7948, 9300, 9935, 11922, 19870, 23844, 29805, 39740, 49675, 59610, 61597, 99350, 119220, 123194, 149025, 184791, 198700, 246388, 298050, 307985, 369582, 596100, 615970, 739164, 923955, 1231940, 1539925, 1847910, 3079850, 3695820, 4619775, 6159700, 9239550, 18479100]

約数ペア:

[(1, 18479100), (2, 9239550), (3, 6159700), (4, 4619775), (5, 3695820), (6, 3079850), (10, 1847910), (12, 1539925), (15, 1231940), (20, 923955), (25, 739164), (30, 615970), (31, 596100), (50, 369582), (60, 307985), (62, 298050), (75, 246388), (93, 198700), (100, 184791), (124, 149025), (150, 123194), (155, 119220), (186, 99350), (300, 61597), (310, 59610), (372, 49675), (465, 39740), (620, 29805), (775, 23844), (930, 19870), (1550, 11922), (1860, 9935), (1987, 9300), (2325, 7948), (3100, 5961), (3974, 4650)]